com.bbn.openmap.event
Class ZoomSupport

java.lang.Object
  java.util.AbstractCollection<E>
      java.util.AbstractList<E>
          java.util.ArrayList<E>
              com.bbn.openmap.event.ListenerSupport<ZoomListener>
                  com.bbn.openmap.event.ZoomSupport

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.lang.Iterable<ZoomListener>, java.util.Collection<ZoomListener>, java.util.List<ZoomListener>, java.util.RandomAccess

public class ZoomSupport
extends ListenerSupport<ZoomListener>

This is a utility class that can be used by beans that need support for handling ZoomListeners and firing ZoomEvents. You can use an instance of this class as a member field of your bean and delegate work to it.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.bbn.openmap.event.ListenerSupport

source

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

ZoomSupport(java.lang.Object sourceBean)
Construct a ZoomSupport.

Method Summary

void	fireZoom(int zoomType, float amount) Send a zoom event to all registered listeners.

Methods inherited from class com.bbn.openmap.event.ListenerSupport

add, add, addAll, clear, getSource, iterator, listIterator, remove, remove, set, setSource, size

Methods inherited from class java.util.ArrayList

addAll, clone, contains, ensureCapacity, get, indexOf, isEmpty, lastIndexOf, removeRange, toArray, toArray, trimToSize

Methods inherited from class java.util.AbstractList

equals, hashCode, listIterator, subList

Methods inherited from class java.util.AbstractCollection

containsAll, removeAll, retainAll, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.List

containsAll, equals, hashCode, listIterator, removeAll, retainAll, subList

Constructor Detail

ZoomSupport

public ZoomSupport(java.lang.Object sourceBean)

Construct a ZoomSupport.

Parameters:

sourceBean - The bean to be given as the source for any events.

Method Detail

fireZoom

public void fireZoom(int zoomType,
                     float amount)

Send a zoom event to all registered listeners.

Parameters:

zoomType - Either ZoomEvent.RELATIVE or ZoomEvent.ABSOLUTE

amount - The new scale if ABSOLUTE, the multiplier if RELATIVE